@media (max-width: 991px) {
  #MainHeader.mobile-open {
    z-index: 100003;
  }

  #MainHeader.mobile-open .header__nav {
    z-index: 1;
    pointer-events: auto;
  }

  #MainHeader.mobile-open .hamburger {
    z-index: 2;
  }

  #MainHeader.mobile-open .primary-item__submenu-wrapper,
  #MainHeader.mobile-open .primary-item__submenu-list,
  #MainHeader.mobile-open .primary-item__submenu-list a {
    pointer-events: auto;
  }
}